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yiisonger

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 7Growth 14Conversion 36Competition 9Returns 94Price range 95Avg price 95Brand share 0Review moat 63Quality gap 52

Avg price

Incredible$24.50

avg listing price — sweet spot $15–$100

Price range

Incredible$22.97–$25.79

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Great1.1%

return rate — above 5% kills the launch gate

Review moat

Good964.57

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.8%

search→purchase rate — share of searches ending in a sale

Growth

Bad-21.2%

90-day search growth — must beat 0% to launch

Competition

Bad90%

top-5 click share — a locked-up shelf

Market size

Bad$29K

$29K/yr · 42K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, yiisonger is a $29K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 35/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

yiisonger market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$37K–$49K
units × avg price
Conversion rate
2.8%
Avg BSR
#85
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
9.2%
Avg brand age
17 months
Avg seller age
193 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

14

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

0%

  • Vexnara67%
  • Azmuth14%
  • podoru12%
  • Aobbow7%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.2% search growth over the last 90 days.
9K7KPrime Day '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 11.0×

Top yiisonger search terms

  • yiisonger portable charger19K/yr
  • yiisonger4K/yr
  • yiisonger magnetic wireless mobiles charger2K/yr
  • yiisonger magnetic wireless power bank3K/yr
  • yiisonger power bank3K/yr
  • azmuth portable charger4K/yr
  • azmuth for magsafe battery pack 10000mah magnetic power bank5K/yr
All search terms

Top yiisonger products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$4K30%$9K45%$13K60%$17K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

What buyers say about yiisonger

What buyers praise and complain about, mined from review topics.

What buyers love

Charging38%

“Fast charger”

Battery Life10%

“Battery life is amazing”

Quality-Overall8%

“Solid build quality”

Ease Of Use7%

“very handy”

Portability6%

“Great for travel”

Magnetic Strength/Adsorption4%

“Strong magnet”

Value For Money3%

“Good for price”

Efficiency2%

“It performs well”

Size-Overall2%

“Happy with the size”

Design-Overall2%

“Very stylish design”

What buyers complain about

Charging38%

“Never charged”

Durability5%

“Not that much durable”

Functionality-Overall4%

“Doesnt work”

Magnetic Strength/Adsorption4%

“Weak magnet”

Quality-Overall4%

“Absolute terrible product”

Weight Heavy3%

“It is a little heavy”

Battery Life3%

“Poor battery quality”

Heating3%

“Overheats sometimes”

Value For Money2%

“Waste of money”

Size-Overall2%

“Did not fit my phone”

Top return reasons

Charging53%
Weight Heavy8%
Advertised Vs Actual Product4%
Functionality-Overall4%
Compatibility-Overall4%
Magnetic Strength/Adsorption4%
Value For Money3%
Size-Overall3%
Battery Life3%
Defective Material/Parts2%

Common questions

Is yiisonger profitable to sell on Amazon United States?
The niche generates $29K/yr across 7 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -21.2%. Flapen's verdict: Skip it (35/100).
How competitive is the yiisonger niche?
4 brands and 14 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in yiisonger?
Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 1.1%.
When does demand for yiisonger peak?
Demand peaks in Jul–Aug; the busiest month runs 11.0× the quietest.
What does it cost to enter the yiisonger niche?
Listings span $22.97–$25.79; the average listing price is $24.50 (sweet spot $15–$100). The average incumbent carries 965 reviews — the moat a new listing must climb.